ImageEncoder.java revision a3bfbe5389c6146abe318a7add3fa688d69bc01b
130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni/* 230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Copyright (C) 2011 The Android Open Source Project 330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Licensed under the Apache License, Version 2.0 (the "License"); 530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * you may not use this file except in compliance with the License. 630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * You may obtain a copy of the License at 730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * http://www.apache.org/licenses/LICENSE-2.0 930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 1030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Unless required by applicable law or agreed to in writing, software 1130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * distributed under the License is distributed on an "AS IS" BASIS, 1230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * See the License for the specific language governing permissions and 1430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * limitations under the License. 1530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni */ 1630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 1730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 1830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceronipackage android.filterpacks.imageproc; 1930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 2030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.content.Context; 2130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.Filter; 22692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Rennimport android.filterfw.core.FilterContext; 2330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.Frame; 2430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.FrameFormat; 2521d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Rennimport android.filterfw.core.GenerateFieldPort; 2630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.KeyValueMap; 27c0017fd82acec5d0427306ea5f536c3d78854f95Marius Rennimport android.filterfw.format.ImageFormat; 2830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.graphics.Bitmap; 2930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.graphics.Bitmap.CompressFormat; 3030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 3130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.util.Log; 3230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 3330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport java.io.FileOutputStream; 3430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport java.io.BufferedOutputStream; 3530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport java.io.FileNotFoundException; 3630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport java.io.IOException; 3730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 38a3bfbe5389c6146abe318a7add3fa688d69bc01bEino-Ville Talvala/** 39a3bfbe5389c6146abe318a7add3fa688d69bc01bEino-Ville Talvala * @hide 40a3bfbe5389c6146abe318a7add3fa688d69bc01bEino-Ville Talvala */ 4130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceronipublic class ImageEncoder extends Filter { 4230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 4321d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn @GenerateFieldPort(name = "fileName") 4430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni private String mOutputName; 4530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 4621d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn @GenerateFieldPort(name = "context") 4730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni private Context mContext; 4830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 4930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni public ImageEncoder(String name) { 5030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni super(name); 5130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 5230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 5333d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 5421d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn public void setupPorts() { 5521d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA, 5621d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn FrameFormat.TARGET_UNSPECIFIED)); 5730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 5830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 5933d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 6021d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn public void process(FilterContext env) { 6121d0ac7403b836e32e2bdbdc8dc98f42b2dfa4e5Marius Renn Frame input = pullInput("image"); 6230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni Bitmap bitmap = input.getBitmap(); 6330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni FileOutputStream outStream = null; 6430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 6530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni try { 6630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni outStream = mContext.openFileOutput(mOutputName, Context.MODE_PRIVATE); 6730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } catch (FileNotFoundException exception) { 6830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni throw new RuntimeException("ImageEncoder: Could not open file: " + mOutputName + "!"); 6930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 7030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 7130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni BufferedOutputStream bufferedStream = new BufferedOutputStream(outStream); 7230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni bitmap.compress(CompressFormat.JPEG, 80, bufferedStream); 7330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 7430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni try { 7530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni bufferedStream.flush(); 7630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni bufferedStream.close(); 7730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } catch (IOException exception) { 7830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni throw new RuntimeException("ImageEncoder: Could not write to file: " + 7930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni mOutputName + "!"); 8030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 8130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 8230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 8330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni} 84